ch.qos.logback.classic.pattern.RelativeTimeConverter Maven / Gradle / Ivy
/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2015, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.pattern;
import ch.qos.logback.classic.spi.ILoggingEvent;
public class RelativeTimeConverter extends ClassicConverter {
long lastTimestamp = -1;
String timesmapCache = null;
public String convert(ILoggingEvent event) {
long now = event.getTimeStamp();
synchronized (this) {
// update timesmapStrCache only if now != lastTimestamp
if (now != lastTimestamp) {
lastTimestamp = now;
timesmapCache = Long.toString(now - event.getLoggerContextVO().getBirthTime());
}
return timesmapCache;
}
}
}